Module: Mcrain

Defined in:
lib/mcrain/mysql.rb,
lib/mcrain.rb,
lib/mcrain/base.rb,
lib/mcrain/riak.rb,
lib/mcrain/hbase.rb,
lib/mcrain/redis.rb,
lib/mcrain/version.rb,
lib/mcrain/rabbitmq.rb,
lib/mcrain/configuration.rb,
lib/mcrain/docker_machine.rb,
lib/mcrain/client_provider.rb,
lib/mcrain/container_controller.rb

Overview

don’t require ‘rabbitmq/http/client’ here in order to use mcrain without ‘rabbitmq_http_api_client’ gem require ‘rabbitmq/http/client’

Defined Under Namespace

Modules: ClientProvider, ContainerController, DockerMachine Classes: Base, Configuration, Hbase, Mysql, Rabbitmq, Redis, Riak

Constant Summary collapse

VERSION = 
"0.8.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.before_setup ⇒ Object

Returns the value of attribute before_setup.



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# File 'lib/mcrain.rb', line 68

def before_setup
  @before_setup
end

.configuration ⇒ Object 



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# File 'lib/mcrain.rb', line 39

def configuration
  @configuration ||= Mcrain::Configuration.new
end

.home_dir ⇒ Object 



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# File 'lib/mcrain.rb', line 71

def home_dir
  @home_dir ||= (ENV['MCRAIN_HOME'] || File.join(ENV['HOME'], '.mcrain'))
end

.logger ⇒ Object 



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# File 'lib/mcrain.rb', line 49

def logger
  @logger ||= Logger.new($stderr)
end

Class Method Details

.class_for(name) ⇒ Object 



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# File 'lib/mcrain.rb', line 19

def class_for(name)
  if class_name = class_names[name]
    class_name.constantize
  else
    if klass = Mcrain::Base.descendants.detect{|c| c.server_name == name}
      class_names[name] = klass.name
    end
    klass
  end
end

.class_names ⇒ Object 



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# File 'lib/mcrain.rb', line 15

def class_names
  @class_names ||= {}
end

.configure {|configuration| ... } ⇒ Object

Yields:



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# File 'lib/mcrain.rb', line 43

def configure
  yield configuration
  configuration
end

.load_config(file) ⇒ Object 



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# File 'lib/mcrain.rb', line 34

def load_config(file)
  @configuration = Mcrain::Configuration.load_config(file)
end

.register(name, class_name) ⇒ Object 



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# File 'lib/mcrain.rb', line 30

def register(name, class_name)
  class_names[name] = class_name
end

.wait_port_opened(host, port, options = {}) ⇒ Object 



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# File 'lib/mcrain.rb', line 53

def wait_port_opened(host, port, options = {})
  logger.debug("wait_port_opened(#{host.inspect}, #{port.inspect}, #{options.inspect})")
  interval = options[:interval] || 10 # second
  Timeout.timeout(options[:timeout] || 60) do
    begin
      s = TCPSocket.open(host, port)
      s.close
      return true
    rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
      sleep(interval)
      retry
    end
  end
end